Home / 3,420,540.40-5,143,252.20-3,345,890.80

Finding the Fourth Proportional to 3,420,540.40, 5,143,252.20 and 3,345,890.80

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Solution

The fourth proportional to 3,420,540.40, 5,143,252.20 and 3,345,890.80 is: 5,031,006.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420,540.40 : 5,143,252.20 = 3,345,890.80 : x
  2. Step 2: Convert to fraction form
    3,420,540.40/5,143,252.20 = 3,345,890.80/x
  3. Step 3: Cross multiply
    3,420,540.40x = 5,143,252.20 × 3,345,890.80
  4. Step 4: Simplify right side
    3,420,540.40x = 17,208,760,218,059.76
  5. Step 5: Solve for x
    x = 17,208,760,218,059.76/3,420,540.40
  6. Step 6: Final answer
    x = 5,031,006.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.